taxes Property Tax Assistance

2016 Confidence Interval Detail

090/Gray
090-902/Lefors ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
G1 7,412,720 0.9941 7,456,715 15 67 .033897251
G1 7,027,950 1.0070 6,979,096 9 15 .005123413
G1 7,505,750 1.0227 7,339,151 6 8 .025288783
G1 6,704,230 1.0256 6,536,886 3 4 .002854194
Random Totals: 28,650,650   28,311,848 33 94  
Catg D1 Exception Values: 3,342,590   3,405,612      
Total Test Values (4): 31,993,240   31,717,460      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,585,873

Confidence Interval Values (5)

State Lower Limit: 30,131,587 (State Test Value minus Margin of Error Percent)
Local Test Value: 31,993,240 (Within Confidence Interval)
State Upper Limit: 33,303,333 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 92,008,862 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories